20195539

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7210

約数の個数: 16

約数和(自身を含む): 25661440

約数和(自身を除く): 5465901

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 7159, 50113, 93067, 221929, 651469, 1553503, 2885077, 20195539]

約数ペア:

[(1, 20195539), (7, 2885077), (13, 1553503), (31, 651469), (91, 221929), (217, 93067), (403, 50113), (2821, 7159)]